In last month's “Code Basics” article, starting on page 56 of the September issue, we spent most of our time discussing Class 1 circuits. Now, it's time to switch gears and focus on Class 2 and 3.

Article 725 provides the requirements for Class 2 circuits in Part III. The definitions for Class 2 circuits can be found in Art. 100. In the November 2020 issue, we discussed the general requirements ...

The power supply circuit is a ubiquitous component in all electronic devices, regardless of whether they are powered by batteries or by direct or alternating external electricity. The whole ...

Battery input (portable equipment) - Because of the size and weight restrictions of portable equipment, this power-management subsystem is usually integrated with the rest of the electronic system.

Out of all of the fundamental passive electronic components, capacitors are arguably the most abundantly used. In fact, it is hard to find a circuit board that does not have a capacitor on it and a ...